Write-back cache
A cache technology. When the write operation is completed, the data
continues to be stored in the cache and therefore, the operation of writing
the data to disks will be delayed. No need to access disks during each
write operation.
Write-back cache
mirroring
A cache technology. Data is written to the local cache and at the same
time written to the opposite cache.
Write-through
cache
A cache technology. Data is written to disks. And only when the data
is safely written to disks, the procedure of write requests can be ended.
Disks need to be accessed during each write operation.
B Glossary
OceanStor S2600 Storage System
Command Reference
B-12
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Issue 07 (2010-05-20)